回到首页
个人中心
反馈问题
注册登录
下载APP
代码
提交代码
<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta name="viewport" content="width=device-width,initial-scale=1.0" /> <title>Echarts Example</title> </head> <body> <div id="main" style="width: 600px; height: 400px;"></div> <script src="//cdn.bootcss.com/echarts/4.5.0/echarts.js"></script> <script type="text/javascript"> const myChart = echarts.init(document.getElementById('main')); let len = 0; const random = (min = 0, max = 180) => Math.round(Math.random() * (max - min) + min); const range = (from, to) => { const result = []; for (let i = from; i <= to; i++) { result.push(`X-${i}`); } return result; }; const option = { // appendData 接口不会更改初始渲染后的任何组件 // 所以需要预留足够的空间来容纳追加的图案 xAxis: { type: 'category', data: range(1, 20) }, // 同样的,在 y 轴上也需要设定好序列的最大值,以容纳追加的图案 yAxis: { type: 'value', max: 180 }, series: [ { type: 'bar', data: [random(), random()], }, ], }; myChart.setOption(option); setInterval(() => { myChart.appendData({ seriesIndex: 0, data: [random()] }); }, 300); </script> </body> </html>
运行结果